/* ============================================================
   HHPoker - 俱乐部一站式服务 | 0055 style.css
   ============================================================ */

/* Custom Properties */
:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #6366f1;
  --primary-50: #eef2ff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--gray-800);line-height:1.6;overflow-x:hidden}

/* ============ Navbar ============ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(229,231,235,0.5);
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: var(--shadow-lg);
}
.navbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-logo i { font-size: 1.75rem; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--primary); }
.nav-links a.active::after { width: 100%; }
.nav-cta-btn {
  background: var(--primary);
  color: var(--white) !important;
  padding: 0.6rem 1.5rem !important;
  border-radius: 9999px;
  font-weight: 600 !important;
  transition: var(--transition);
}
.nav-cta-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79,70,229,0.4);
}
.nav-cta-btn::after { display: none !important; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 1001;
}
.hamburger span {
  width: 26px;
  height: 2.5px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ============ Mobile Menu ============ */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(10px);
  z-index: 999;
  padding: 2rem 1.5rem;
  flex-direction: column;
  gap: 1rem;
}
.mobile-menu.active { display: flex; }
.mobile-menu a {
  display: block;
  padding: 0.75rem 0;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--gray-800);
  text-decoration: none;
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}
.mobile-menu a:hover { color: var(--primary); }

/* ============ Hero ============ */
.hero-section {
  padding: 5rem 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}
.hero-content h1 .gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-content p {
  font-size: 1.2rem;
  color: var(--gray-600);
  margin-bottom: 2rem;
  line-height: 1.7;
  max-width: 540px;
}
.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary);
  color: var(--white);
  padding: 0.9rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79,70,229,0.4);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--gray-800);
  padding: 0.85rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid var(--gray-200);
  transition: var(--transition);
  cursor: pointer;
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}
.hero-image img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

/* ============ Features Section ============ */
.features-section {
  padding: 5rem 1.5rem;
  background: var(--gray-50);
}
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}
.section-header p {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}
.section-header h2 .gradient-text {
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.features-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 2rem;
}
.feature-card {
  background: var(--white);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--gray-100);
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}
.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  background: var(--primary-50);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--primary);
}
.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.75rem;
}
.feature-card p {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ============ Stats Section ============ */
.stats-section {
  padding: 4rem 1.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
}
.stats-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 2rem;
}
.stat-item {
  text-align: center;
  color: var(--white);
}
.stat-number {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
  letter-spacing: -1px;
}
.stat-label {
  font-size: 1rem;
  opacity: 0.85;
  font-weight: 500;
}

/* ============ Testimonials ============ */
.testimonials-section {
  padding: 5rem 1.5rem;
  background: var(--white);
}
.testimonials-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 2rem;
}
.testimonial-card {
  background: var(--gray-50);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--gray-100);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.testimonial-stars {
  color: #f59e0b;
  font-size: 1rem;
  margin-bottom: 1rem;
}
.testimonial-text {
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1rem;
}
.testimonial-name {
  font-weight: 600;
  color: var(--gray-900);
  font-size: 0.95rem;
}
.testimonial-role {
  font-size: 0.8rem;
  color: var(--gray-600);
}

/* ============ FAQ Section ============ */
.faq-section {
  padding: 5rem 1.5rem;
  background: var(--gray-50);
}
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  box-shadow: var(--shadow-md);
}
.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gray-900);
  text-align: left;
  transition: var(--transition);
  font-family: inherit;
}
.faq-question:hover {
  color: var(--primary);
}
.faq-question i {
  font-size: 0.85rem;
  color: var(--gray-600);
  transition: transform 0.3s ease;
}
.faq-item.active .faq-question i {
  transform: rotate(180deg);
  color: var(--primary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.active .faq-answer {
  max-height: 300px;
}
.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  color: var(--gray-600);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ============ CTA Section ============ */
.cta-section {
  padding: 5rem 1.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
  text-align: center;
}
.cta-section h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}
.cta-section p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.cta-section .btn-white {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--white);
  color: var(--primary);
  padding: 1rem 2.5rem;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  transition: var(--transition);
}
.cta-section .btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

/* ============ Footer ============ */
.footer {
  background: var(--gray-900);
  color: #d1d5db;
  padding: 4rem 1.5rem 2rem;
}
.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-col h4 {
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}
.footer-col p {
  font-size: 0.9rem;
  line-height: 1.7;
  opacity: 0.8;
}
.footer-col ul {
  list-style: none;
  padding: 0;
}
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a {
  color: #9ca3af;
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--white); }
.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* ============ About Page ============ */
.about-hero {
  padding: 4rem 1.5rem;
  background: var(--primary-50);
  text-align: center;
}
.about-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 1rem;
}
.about-hero p {
  font-size: 1.15rem;
  color: var(--gray-600);
  max-width: 700px;
  margin: 0 auto;
}
.about-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}
.about-story, .about-mission, .about-values {
  margin-bottom: 3rem;
}
.about-story h2, .about-mission h2, .about-values h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1rem;
}
.about-story p, .about-mission p {
  font-size: 1.05rem;
  color: var(--gray-600);
  line-height: 1.8;
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.value-card {
  background: var(--primary-50);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
}
.value-card i {
  font-size: 1.75rem;
  color: var(--primary);
  margin-bottom: 0.75rem;
}
.value-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}
.value-card p {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.5;
}

/* ============ Contact Page ============ */
.contact-hero {
  padding: 4rem 1.5rem;
  background: var(--primary-50);
  text-align: center;
}
.contact-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 1rem;
}
.contact-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}
.contact-info h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
}
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.contact-info-item i {
  font-size: 1.25rem;
  color: var(--primary);
  margin-top: 2px;
}
.contact-info-item h4 {
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}
.contact-info-item p {
  color: var(--gray-600);
  font-size: 0.95rem;
}
.contact-form h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.4rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: 0.75rem;
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.15);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-submit-btn {
  width: 100%;
  padding: 0.9rem;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.form-submit-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

/* ============ Download Page ============ */
.download-hero {
  padding: 4rem 1.5rem;
  background: var(--primary-50);
  text-align: center;
}
.download-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 1rem;
}
.download-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}
.download-platforms {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}
.download-card {
  background: var(--white);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 2px solid transparent;
}
.download-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}
.download-card i {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 1rem;
}
.download-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}
.download-card p {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-bottom: 1.25rem;
}
.download-card .btn-primary {
  width: 100%;
  justify-content: center;
}
.download-note {
  background: var(--primary-50);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--gray-700);
  font-size: 0.95rem;
}

/* ============ Responsive ============ */
@media (max-width:1024px) {
  .hero-section { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
  .hero-content p { max-width: 100%; }
  .hero-buttons { justify-content: center; }
  .hero-image { max-width: 500px; margin: 0 auto; }
  .features-grid { grid-template-columns: repeat(2,1fr); }
  .testimonials-grid { grid-template-columns: repeat(2,1fr); }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
  .contact-content { grid-template-columns: 1fr; }
  .download-platforms { grid-template-columns: repeat(2,1fr); }
  .values-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width:768px) {
  .nav-links,.nav-cta-btn{display:none}
  .hamburger{display:flex}
  .hero-content h1 { font-size: 2.25rem; }
  .hero-section { padding: 3rem 1rem; }
  .section-header h2,.cta-section h2 { font-size: 1.75rem; }
  .features-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .download-platforms { grid-template-columns: 1fr; max-width: 350px; margin-left: auto; margin-right: auto; }
  .values-grid { grid-template-columns: 1fr; }
  .stat-number { font-size: 2rem; }
}

/* ============ Animations ============ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}